Base | Representation |
---|---|
bin | 1011111011110111110001… |
… | …0001011001000110010000 |
3 | 1201110120022001220012221020 |
4 | 2332331330101121012100 |
5 | 3210002313231221222 |
6 | 43524415222555440 |
7 | 2523056243461344 |
oct | 276757421310620 |
9 | 51416261805836 |
10 | 13123210023312 |
11 | 41aa581a33944 |
12 | 157b448598b80 |
13 | 742689c1065c |
14 | 335249805624 |
15 | 17b57136a65c |
hex | bef7c459190 |
13123210023312 has 40 divisors (see below), whose sum is σ = 33902410333056. Its totient is φ = 4374302123136.
The previous prime is 13123210023247. The next prime is 13123210023323. The reversal of 13123210023312 is 21332001232131.
It is a super-3 number, since 3×131232100233123 (a number of 40 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052488 + ... + 5230119.
Almost surely, 213123210023312 is an apocalyptic number.
13123210023312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13123210023312 is an abundant number, since it is smaller than the sum of its proper divisors (20779200309744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13123210023312 is a wasteful number, since it uses less digits than its factorization.
13123210023312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6326135 (or 6326129 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 13123210023312 its reverse (21332001232131), we get a palindrome (34455211255443).
The spelling of 13123210023312 in words is "thirteen trillion, one hundred twenty-three billion, two hundred ten million, twenty-three thousand, three hundred twelve".
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